278232941952 has 320 divisors, whose sum is σ = 976838691840. Its totient is φ = 76930145280.

The previous prime is 278232941951. The next prime is 278232941957. The reversal of 278232941952 is 259149232872.

278232941952 is a `hidden beast` number, since 278 + 2 + 329 + 41 + 9 + 5 + 2 = 666.

278232941952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (278232941951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2188023 + ... + 2311689.

It is an arithmetic number, because the mean of its divisors is an integer number (3052620912).

Almost surely, 2^278232941952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 278232941952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488419345920).

278232941952 is an abundant number, since it is smaller than the sum of its proper divisors (698605749888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

278232941952 is a wasteful number, since it uses less digits than its factorization.

278232941952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123731 (or 123710 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 278232941952 in words is "two hundred seventy-eight billion, two hundred thirty-two million, nine hundred forty-one thousand, nine hundred fifty-two".